"""
Copyright (c) 2022 Huawei Technologies Co.,Ltd.

openGauss is licensed under Mulan PSL v2.
You can use this software according to the terms and conditions of the Mulan PSL v2.
You may obtain a copy of Mulan PSL v2 at:

          http://license.coscl.org.cn/MulanPSL2

THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
See the Mulan PSL v2 for more details.
"""
"""
Case Type   : 故障&可靠性测试
Case Name   : 删除app文件权限，使用备份文件恢复
Create At   : 2020/12/1
@zou_jialiang0505328126
Description :
    1.删除app文件夹权限
    2.恢复数据库
Expect      :
    1.删除权限成功
    2.恢复数据库失败
History     :
"""

import os
import unittest
import sys
from yat.test import macro
from yat.test import Node

sys.path.append(sys.path[0] + "/../")
from testcase.utils.CommonSH import *
from testcase.utils.Common import Common
from testcase.utils.Constant import Constant
from testcase.utils.Logger import Logger


class Basebackup(unittest.TestCase):
    commonshpri = CommonSH('PrimaryDbUser')
    commonshsta = CommonSH('Standby1DbUser')
    commonshsta2 = CommonSH('Standby2DbUser')
    nodes_tuple = ('PrimaryDbUser', 'Standby1DbUser', 'Standby2DbUser')

    @RestartDbCluster(*nodes_tuple)
    def setUp(self):
        self.log = Logger()
        self.log.info('------------Opengauss_Reliability_Tools_Backup_Case036.py 开始执行------------')
        self.dbPrimaryDbUser = Node(node='PrimaryDbUser')
        self.dbStandby1DbUser = Node(node='Standby1DbUser')
        self.dbStandby2DbUser = Node(node='Standby2DbUser')
        self.dbStandby1Root = Node(node='Standby1Root')
        self.dbPrimaryRootNode = Node(node='PrimaryRoot')
        self.Constant = Constant()
        self.common = Common('PrimaryRoot')
        self.backup_file = os.path.join(macro.DB_BACKUP_PATH, 'backup_dir')
        self.primary_hostname = self.dbPrimaryDbUser.sh('hostname').result()
        shell_cmd = f"ls -al '{os.path.join(os.path.dirname(macro.DB_INSTANCE_PATH), 'app')}'"
        self.log.info(shell_cmd)
        result = self.dbPrimaryDbUser.sh(shell_cmd).result()
        self.apppath = result.split('->')[1]
        self.log.info(self.apppath)

        self.log.info('-------------------创建备份路径-----------------------------------')
        shell_cmd = f'rm -rf {self.backup_file}; mkdir {self.backup_file};'
        self.log.info(shell_cmd)
        result = self.dbPrimaryDbUser.sh(shell_cmd).result()
        self.log.info(result)

        self.log.info("-----------------------------主节点执行备份-h指向主节点：成功---------------------------------")
        result = self.commonshpri.execu_gs_backup('backup', self.primary_hostname, self.backup_file, "--all", )
        self.assertIn(self.Constant.BACKUP_BACKUP_SUCCESS_MSG, result)
        cmd = f'ls -l {self.backup_file} |grep "^-"|wc -l'
        self.log.info(cmd)
        result = self.dbPrimaryRootNode.sh(cmd).result()
        self.log.info(result)
        self.assertLess(0, int(result))

    def test_backup(self):
        self.log.info("-----------------------------1.删除app文件夹权限：成功---------------------------------")
        shell_cmd = f"chmod 000 {self.apppath}/*"
        self.log.info(shell_cmd)
        result = self.dbPrimaryDbUser.sh(shell_cmd).result()
        self.log.info(result)
        self.assertEqual('', result)

        self.log.info('===============查询集群状态:失败====================')
        result = self.commonshpri.getDbClusterStatus('detail')
        self.log.info(result)
        self.assertIn(self.Constant.NOT_EXIST, result)

        self.log.info('-------------------2.恢复数据库:失败-----------------------------------')
        result = self.commonshpri.execu_gs_backup('restore', self.primary_hostname, self.backup_file, "--all --force")
        self.assertNotIn(self.Constant.BACKUP_RESTORE_SUCCESS_MSG, result)

    def tearDown(self):
        self.log.info('-------------------------环境清理------------------------')
        self.log.info('--------------------------删除备份文件------------------')
        shell_cmd = f'rm -rf {self.backup_file}'
        self.log.info(shell_cmd)
        result = self.dbPrimaryDbUser.sh(shell_cmd).result()
        self.log.info(result)
        result = self.dbStandby1DbUser.sh(shell_cmd).result()
        self.log.info(result)
        result = self.dbStandby2DbUser.sh(shell_cmd).result()
        self.log.info(result)

        self.log.info("-----------------------------恢复app权限：成功---------------------------------")
        shell_cmd = f"chmod 700 {self.apppath}/*"
        self.log.info(shell_cmd)
        result = self.dbPrimaryDbUser.sh(shell_cmd).result()
        self.log.info(result)

        self.log.info('----------Opengauss_Reliability_Tools_Backup_Case036.py 执行结束-----------------------')
